{"id":"CVE-2024-21497","aliases":["EUVD-2024-0576","GHSA-8hp3-rmr7-xh88","GO-2024-2560"],"status":"published","title":"Open Redirect in github.com/greenpau/caddy-security","description":"Versions of the package github.com/greenpau/caddy-security  are vulnerable to Open Redirect via the redirect_url parameter. An attacker could perform a phishing attack and trick users into visiting a malicious website by crafting a convincing URL with this parameter. To exploit this vulnerability, the user must take an action, such as clicking on a portal button or using the browser’s back button, to trigger the redirection.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00499,"percentile":0.43103,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-601"],"published":"2024-02-17T05:00:04Z","modified":"2026-06-17T07:09:37Z","affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/greenpau/caddy-security","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.1.23"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/greenpau/caddy-security","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"1.1.23"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/greenpau/caddy-security","ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}]}],"products":[{"vendor":"greenpau","product":"caddy-security"}],"references":[{"url":"https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGREENPAUCADDYSECURITY-6249861","tags":["x_transferred","Third Party Advisory","web"]},{"url":"https://github.com/greenpau/caddy-security/issues/268","tags":["x_transferred","Issue Tracking","web","report"]},{"url":"https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddy/","tags":["x_transferred","Mitigation","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-21497","tags":["advisory"]},{"url":"https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddy","tags":["web"]},{"url":"https://github.com/advisories/GHSA-8hp3-rmr7-xh88","tags":["advisory"]},{"url":"github.com/greenpau/caddy-security","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-21497","description":"Versions of the package github.com/greenpau/caddy-security  are vulnerable to Open Redirect via the redirect_url parameter. An attacker could perform a phishing attack and trick users into visiting a malicious website by crafting a convincing URL with this parameter. To exploit this vulnerability, the user must take an action, such as clicking on a portal button or using the browser’s back button, to trigger the redirection.","status":"published","published":"2024-02-17T05:00:04.298Z","modified":"2026-03-03T16:28:25.943Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P","level":"medium","assessor":"cna"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:34:05.077718Z"}],"euvd":[{"id":"EUVD-2024-0576","description":"Versions of the package github.com/greenpau/caddy-security  are vulnerable to Open Redirect via the redirect_url parameter. An attacker could perform a phishing attack and trick users into visiting a malicious website by crafting a convincing URL with this parameter. To exploit this vulnerability, the user must take an action, such as clicking on a portal button or using the browser’s back button, to trigger the redirection.","status":"published","published":"2024-02-17T05:00:04Z","modified":"2026-03-03T16:28:25Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P","level":"medium"}],"updated_at":"2026-11-02T19:48:11.637968Z"}],"ghsa":[{"id":"GHSA-8hp3-rmr7-xh88","title":"Open Redirect in github.com/greenpau/caddy-security","description":"All versions of the package github.com/greenpau/caddy-security are vulnerable to Open Redirect via the redirect_url parameter. An attacker could perform a phishing attack and trick users into visiting a malicious website by crafting a convincing URL with this parameter. To exploit this vulnerability, the user must take an action, such as clicking on a portal button or using the browser’s back button, to trigger the redirection.","status":"published","published":"2024-02-17T06:30:35Z","modified":"2026-03-17T05:06:16Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:39:37.554665Z"}],"nvd":[{"id":"CVE-2024-21497","description":"Versions of the package github.com/greenpau/caddy-security  are vulnerable to Open Redirect via the redirect_url parameter. An attacker could perform a phishing attack and trick users into visiting a malicious website by crafting a convincing URL with this parameter. To exploit this vulnerability, the user must take an action, such as clicking on a portal button or using the browser’s back button, to trigger the redirection.","status":"published","published":"2024-02-17T05:15:09.863Z","modified":"2026-06-17T07:09:37.103Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:09:37.655131Z"}],"osv":[{"id":"GHSA-8hp3-rmr7-xh88","title":"Open Redirect in github.com/greenpau/caddy-security","description":"All versions of the package github.com/greenpau/caddy-security are vulnerable to Open Redirect via the redirect_url parameter. An attacker could perform a phishing attack and trick users into visiting a malicious website by crafting a convincing URL with this parameter. To exploit this vulnerability, the user must take an action, such as clicking on a portal button or using the browser’s back button, to trigger the redirection.","status":"published","published":"2024-02-17T06:30:35Z","modified":"2026-03-04T01:57:19Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T15:46:42.437513Z"},{"id":"GO-2024-2560","title":"Open Redirect in github.com/greenpau/caddy-security","description":"Open Redirect in github.com/greenpau/caddy-security","status":"published","published":"2024-06-28T15:28:53Z","modified":"2026-03-03T04:55:11.65921Z","updated_at":"2026-11-02T15:47:01.185262Z"}]}}